package com.itheima.reggie.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

@Slf4j
@ControllerAdvice(annotations = {RestController.class, Controller.class})
@ResponseBody
public class GlobalExceptionHandler {
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> excepionHandler(SQLIntegrityConstraintViolationException ex){
       log.error(ex.getMessage());
       if(ex.getMessage().contains("Duplicate entry")){
           String[] split = ex.getMessage().split(" ");
           String msg = split[2] + "已存在";
           return R.error(msg);
       }
       return R.error("未知错误");
    }

    /**
     * 分类异常处理
     * @param ex
     * @return
     */
    @ExceptionHandler(CustomException.class)
    public R<String> CustomException(CustomException ex){
        log.error(ex.getMessage());
        return R.error(null);
    }

}
